40840713 has 8 divisors (see below), whose sum is σ = 60504800. Its totient is φ = 27227124.

The previous prime is 40840673. The next prime is 40840727. The reversal of 40840713 is 31704804.

40840713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40840713 - 2⁶ = 40840649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1512619 = 40840713 / (4 + 0 + 8 + 4 + 0 + 7 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40840753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 756283 + ... + 756336.

It is an arithmetic number, because the mean of its divisors is an integer number (7563100).

Almost surely, 2^40840713 is an apocalyptic number.

It is an amenable number.

40840713 is a deficient number, since it is larger than the sum of its proper divisors (19664087).

40840713 is a wasteful number, since it uses less digits than its factorization.

40840713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512628 (or 1512622 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 40840713 is about 6390.6739081258. The cubic root of 40840713 is about 344.3745947582.

The spelling of 40840713 in words is "forty million, eight hundred forty thousand, seven hundred thirteen".